Home / 572,174.72-789,586.08-317,519.36

Finding the Fourth Proportional to 572,174.72, 789,586.08 and 317,519.36

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Solution

The fourth proportional to 572,174.72, 789,586.08 and 317,519.36 is: 438,168.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,174.72 : 789,586.08 = 317,519.36 : x
  2. Step 2: Convert to fraction form
    572,174.72/789,586.08 = 317,519.36/x
  3. Step 3: Cross multiply
    572,174.72x = 789,586.08 × 317,519.36
  4. Step 4: Simplify right side
    572,174.72x = 250,708,866,786.51
  5. Step 5: Solve for x
    x = 250,708,866,786.51/572,174.72
  6. Step 6: Final answer
    x = 438,168.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.